114 lines
3.0 KiB
C
114 lines
3.0 KiB
C
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/*
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* (C) Copyright 2002 ELTEC Elektronik AG
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* Frank Gottschling <fgottschling@eltec.de>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* Local network srom writing for first time run
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*/
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/* includes */
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#include <common.h>
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#include <pci.h>
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#include <net.h>
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#include "srom.h"
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extern int eepro100_write_eeprom (struct eth_device* dev,
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int location, int addr_len, unsigned short data);
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/*----------------------------------------------------------------------------*/
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unsigned short eepro100_srom_checksum (unsigned short *sromdata)
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{
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unsigned short sum = 0;
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unsigned int i;
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for (i = 0; i < (EE_SIZE-1); i++)
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{
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sum += sromdata[i];
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}
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return (EE_CHECKSUM - sum);
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}
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/*----------------------------------------------------------------------------*/
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int eepro100_srom_store (unsigned short *source)
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{
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int count;
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struct eth_device onboard_dev;
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/* get onboard network iobase */
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pci_read_config_dword(PCI_BDF(0,0x10,0), PCI_BASE_ADDRESS_0,
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(unsigned int *)&onboard_dev.iobase);
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onboard_dev.iobase &= ~0xf;
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source[63] = eepro100_srom_checksum (source);
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for (count=0; count < EE_SIZE; count++)
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{
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if ( eepro100_write_eeprom ((struct eth_device*)&onboard_dev,
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count, EE_ADDR_BITS, SROM_SHORT(source)) == -1 )
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return -1;
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source++;
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}
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return 0;
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}
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/*----------------------------------------------------------------------------*/
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#ifdef EEPRO100_SROM_CHECK
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extern int read_eeprom (struct eth_device* dev, int location, int addr_len);
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void eepro100_srom_load (unsigned short *destination)
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{
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int count;
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struct eth_device onboard_dev;
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#ifdef DEBUG
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int lr = 0;
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printf ("eepro100_srom_download:\n");
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#endif
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/* get onboard network iobase */
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pci_read_config_dword(PCI_BDF(0,0x10,0), PCI_BASE_ADDRESS_0,
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&onboard_dev.iobase);
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onboard_dev.iobase &= ~0xf;
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memset (destination, 0x65, 128);
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for (count=0; count < 0x40; count++)
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{
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*destination++ = read_eeprom (struct eth_device*)&onboard_dev,
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count, EE_ADDR_BITS);
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#ifdef DEBUG
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printf ("%04x ", *(destination - 1));
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if (lr++ == 7)
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{
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printf("\n");
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lr = 0;
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}
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#endif
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}
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}
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#endif /* EEPRO100_SROM_CHECK */
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/*----------------------------------------------------------------------------*/
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